files-to-prompt Directory Concatenator for LLM Context

files-to-prompt by Simon Willison concatenates an entire directory of files into a single prompt for use with LLMs. It supports file extension filtering, gitignore-aware exclusions, Claude XML format output, Markdown fenced code blocks, line numbering, and stdin piping for flexible codebase-to-prompt workflows.

Installation

Use the upstream install or setup path that matches your environment:

• pip install files-to-prompt

Basic usage or getting-started notes:

• bash

• To use files-to-prompt, provide the path to one or more files or directories you want to process:

• files-to-prompt path/to/file_or_directory [path/to/another/file_or_directory ...]

• Source: https://github.com/simonw/files-to-prompt

• Extracted from upstream docs: https://raw.githubusercontent.com/simonw/files-to-prompt/HEAD/README.md

Source

• Agent Skill Exchange